Spacewalkers Help Detach Space Station Solar Power Tower

Astronauts freed an old solar power truss atop the International Space Station.  Read more…


News

Obscure Comet Brightens Suddenly

A small and very faint comet has surprised observers around the world by overnight becoming bright enough to see with the unaided eye. Read more…


Now You Can Help Scientists Understand the Universe


Liftoff for New Mexico Rocket Festival!

X Prize Cup and Holloman Air Force Base are producing an Air & Space Expo. Read more…


Robotic Prospector Under Development at Carnegie Mellon

A prototype lunar prospecting robot has been developed at Carnegie Mellon. Read more…


China Launches First Moon Probe

According to Chinese news agency Xinhua, China successfully launched its first lunar probe on Wednesday. Read more…


Nov. 9 Briefings Preview Next Shuttle Mission

The mission will deliver the European Space Agency's Columbus Laboratory to the International Space Station. Read more…


New Image of Raging California Wildfires

A NASA satellite has captured a remarkable new image of the wildfires raging in Southern California. Read more…


Discovery Begins Mission to the Space Station

The crew will deliver the Harmony module on the orbiter's 34th flight. Read more…


Shuttle Astronauts Launch on Ambitious Space Station Mission

NASA's shuttle Discovery and its seven-astronaut crew launched into orbit Tuesday. Read more…


Near-Earth Space Bubbles Mapped

Full maps of plasma bubbles around Earth have been mapped. Read more…